Product Details
Overview
The 1785-CHBM from Allen-Bradley is a hot-backup memory cartridge built for the PLC-5 series. It ensures uninterrupted operation by maintaining critical program and data memory during system faults. With non-volatile storage and robust shock resistance, this module enhances the reliability and resilience of your PLC systems.
Technical Specifications
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Manufacturer: Rockwell Automation
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Brand: Allen-Bradley
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Part Number: 1785-CHBM
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Module Type: Hot-Backup Memory Cartridge
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Memory Capacity: 100 Kilowords (non-volatile user memory)
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Compatible Processors: 1785-L40C15, 1785-L80C15
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Bus Communications: Local PCI 2.3 compliant
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Maximum Modules per System: 4
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Shock Resistance: Up to 30 g
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LED Indicators: One per channel for diagnostics and status
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Coating: Conformal coated for environmental protection
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Required External Power: None
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Typical AC Signal Delay (Off): 29 ms ± 8 ms
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Typical DC Signal Delay (Off): 30 ms ± 7 ms
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Wiring Arm: 1771-WN
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Dimensions: 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)
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Weight: 0.31 lbs (0.14 kg)
Applications
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Continuous PLC-5 operations during power or system faults
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High-reliability industrial control environments
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Critical process backup for large PLC-5 networks
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Replacement or upgrade for legacy hot-backup memory requirements
FAQ
Q: Does 1785-CHBM require an external power supply?
A: No, it draws power directly from the PLC-5 backplane.
Q: Which PLC-5 processors are supported?
A: Fully compatible with 1785-L40C15 and 1785-L80C15 processors.
Q: How much memory is available in this hot-backup cartridge?
A: 100 Kilowords of non-volatile memory for program and data storage.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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